Free Access Salesforce.DEX-450.v2022-04-15.q121 Practice Test (Page 22)

Question 101

A developer working on a time management application wants to make total hours for each timecard available to application users. A timecard entry has a Master-Detail relationship to a timecard.
Which approach should the developer use to accomplish this declaratively?

A.A Visualforce page that calculates the total number of hours for a timecard and displays it on the page

B.A Roll-Up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard

C.An Apex trigger that uses an Aggregate Query to calculate the hours for a given timecard and stores it in a custom field

D.A Process Builder process that updates a field on the timecard when a timecard entry is created

Question 102

A developer wants to display all of the available record types for a Case object. The developer also wants to display the picklist values for the Case.Status field. The Case object and the Case Status field are on a custom visualforce page.
Which action can the developer perform to get the record types and picklist values in the controller? Choose 2 answers

A.Use SOQL to query Case records in the org to get all the RecordType values available for Case.

B.Use Schema.RecordTypeinfo returned by Case.SObjectType getDescribe().getRecordTypelnfos()

C.Use SOQL to query Case records in the org to get all value for the Status picklist field.

D.Use Schema.PicklistEntry returned by Case Status getDescribe().getPicklistValues().

Question 103

How should a custom user interface be provided when a user edits an Account in Lightning Experience?

A.Override the Account's Edit button with Lightning page.

B.Override the Account's Edit button with Lightning Action

C.Override the Account's Edit button with Lightning Flow

D.Override the Account's Edit button with Lightning component.

Question 104

Which two strategies should a developer use to avoid hitting governor limits when developing in a multi-tenant environment? (Choose two.)

A.Use variables within Apex classes to store large amounts of data.

B.Use SOQL for loops to iterate data retrieved from queries that return a high number of rows.

C.Use collections to store all fields from a related object and not just minimally required fields.

D.Use methods from the "Limits" class to monitor governor limits.

Question 105

A developer has a unit test that is failing. To identify the issue, the developer copies the code inside the test method and executes it via the Execute Anonymous Apex Tool. The code then executes without failing. Why did the unit test failed, but not the Execute Anonymous?

A.The test method calls an @future method.

B.The test method use a try/catch block

C.The test method relies on existing data in the database

D.The test method has a syntax error in the code.

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Question 101

Question 102

Question 103

Question 104

Question 105

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